Canon Laser Class 810 Basic Operation Manual page 170

3
Use the numeric keys, one-touch speed dialing key, coded speed dialing code,
or address book dialing to enter a recipient.
4
Press [Stamp].
5
Press [Start].
If the stamp becomes fant, replace the stamp cartrdge. (See "Replacng the Stamp Cartrdge," on p.
10-17.)
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